2006 Audi A6 vs. 2008 Cadillac CTS
To start off, 2008 Cadillac CTS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 Audi A6 would be higher. At 5,664 cc (8 cylinders), 2008 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2008 Cadillac CTS (395 HP @ 6000 RPM) has 60 more horse power than 2006 Audi A6. (335 HP @ 6600 RPM) In normal driving conditions, 2008 Cadillac CTS should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 135 kg more than 2008 Cadillac CTS.
Because 2008 Cadillac CTS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 Cadillac CTS. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Cadillac CTS (536 Nm @ 4800 RPM) has 116 more torque (in Nm) than 2006 Audi A6. (420 Nm @ 3500 RPM). This means 2008 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2008 Cadillac CTS | |
| Make | Audi | Cadillac |
| Model | A6 | CTS |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 395 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 420 Nm | 536 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Bore Size | 84.5 mm | 99 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1745 kg |
| Vehicle Length | 4920 mm | 4870 mm |
| Vehicle Width | 2020 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 11.8 L/100km | 14 L/100km |
| Fuel Tank Capacity | 80 L | 68 L |
